GPT-6.1 Sol vs Muse Spark vs Kimi K3 vs Qwen3.8 Max (0902)

Head to head on 11 boards: GPT-6.1 Sol places best on 6, Kimi K3 places best on 2, Qwen3.8 Max (0902) places best on 2 and Muse Spark places best on 1. All 4 ranked on 2 of 16 boards.

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GPT-6.1 SolMuse SparkKimi K3Qwen3.8 Max (0902)

Board	Read	GPT-6.1 Sol	Muse Spark	Kimi K3	Qwen3.8 Max (0902)
Chat2
Text ArenaArena ratingtodaytoday	Oct 5todaytoday	#181,483	#121,489best of the picked	#131,488	#201,482
MultiChallengeScoretodaytoday	Oct 5todaytoday		#175.5%
Reasoning6
GPQA DiamondAccuracytodaytoday	Oct 5todaytoday	#395.4%best of the picked	#4189.8%	#1893.1%	#2192.7%
LiveBenchGlobal averagetodaytoday	Oct 5todaytoday	#581.6%best of the picked		#1379.2%	#1578.5%
AA IntelligenceIndextodaytoday	Oct 5todaytoday	#651.8best of the picked		#1343.6	#1045.4
Epoch ECIECItodaytoday	Oct 5todaytoday		#40152.1	#13157.6best of the picked	#20156.6
ARC-AGI-2Scoretodaytoday	Oct 5todaytoday	#294.2%best of the picked		#2960.4%
HLEAccuracytodaytoday	Oct 5todaytoday		#640.6%
Coding2
WebDev ArenaArena ratingtodaytoday	Oct 5todaytoday	#41,758best of the picked		#101,658	#91,671
SWE-Bench ProResolvedtodaytoday	Oct 5todaytoday			#488.2%
Agents and tools1
MCP AtlasPass ratetodaytoday	Oct 5todaytoday		#982.2%	#882.3%best of the picked
Vision2
Vision ArenaArena ratingtodaytoday	Oct 5todaytoday	#81,291	#61,294		#21,301best of the picked
Document ArenaArena ratingtodaytoday	Oct 5todaytoday		#241,444
Speed1
AA SpeedOutput speedtodaytoday	Oct 5todaytoday	#1663 tok/sbest of the picked		#2536 tok/s	#2439 tok/s
Price1
AA PriceBlended pricetodaytoday	Oct 5todaytoday	#17$4.00		#22$6.00	#14$3.00best of the picked
Usage1
OpenRouterWeekly tokenstodaytoday	Oct 5todaytoday			#151.6T tok

Green marks the best placing among the picked where two or more are ranked; ties are marked for each. Ranks are each board's own order (lower is better), scores as the board published them. Dash: not on that board.